night



(No Model.) 2 vSheets-#Sheet. 1.

J. NIGHT.

FLDUR BOLT. No. 288,845. Patented Nov. 20, 1883.,

Winamax Jfflanzey'.v

N. PUERS. Photo-mum waakngw. D. Q

2 Sheets-Sheet 2.

(No Model.)

J. NICHT.

PLOUR BOLT.

Patented Nov. 20, 1883.

No. 288,845.A

'rvA versus Pmaumngupm. wmngsm. n. a

" i UNITED? Srnrns PATENT Brice;

JOSEF' NICHT, OF AUBURN, NEW YORK, ASSIGNOR OF ONE-HALF TO ALEXANDER J.NICHT, OF SAME PLACE.

FLoUu-BoL-r.

SPECIIICZSI'IIOlWV forming part of Letters .Patent No. 288,845, datedNovember 20, 1883.

Application filed September 19, 1882. (No modem covered between theheads C and CZ with pero forated metal or wire-gauze ci. The stays c2are provided with sleeves or other shoulders between the several heads,whereby the latter are kept in ltheir proper relative position. Thebolting-cloth b is secured to the heads C 55 C? by means of pins orsharp points d, which Z'oaZZ wwntt't may concern:

Y Be it known that I, Josnr NICHT, of Auburn, in the-county of Cayugaand State of Y New York, have invented new and useful Im- 5 provementsin Flour-Bolts, of which the following is a specification.

This invention relates more particularly to that class of Hour-boltswhich consist of a romy improvements.

tating cylinder covered with bolting-cloth and a series of beatersrevolving within the cylinder, whereby the ilour is driven through themeshes of the bolting-cloth.

The object of my invention is to improve the construction and operationof such flourbolts; and my invention consists of the particularimprovements hereinafter described,

and pointed out inthe claims.

In the Aaccompanying drawings, vconsisting 'of two sheets, Figure 1 is alongitudinal sectional elevation of a flour-bolt provided with Fig. 2 isan elevation of the front end of the bolt with the casing removed. Fig.Sisacross-s ectionthereof. Fig.

thereto.

B represents the bolting-cylinder, arranged in the casing A and coveredwith boltingcloth b, which may be applied in sections having differentdegrees of iineness, according to the work which the bolt is designed toperform.

(l represents the annular head at the feed 4end of the bolt, and C theannular head at the tail end of the bolt. Both heads are supported onand revolve on grooved rollers c c', respectively. c2 representslongitudinal stays, which Vconnect the annular heads C C.

Cf" represents an intermediate annular head, arranged between the headsC C at the tail 'endet' the bolting-cloth b, the cylinder being Fig. 5is a similar View, showing a Y project from the outer surface of thatportion oi each head to which the ticking is secured which is sewed tothe edge of the bolting-cloth. This ticking is stretched and presseddownover these pins, which penetrate the ticking and hold it in place. Theticking is further securedA by an expansible clamping-lung, d', vwhichis applied to the outer side of the ticking, as shown in Figs. 3 and 4.The pins d are preferably secured to a ring, d2, of leather, which issecured to the respective heads C G2 by screws or other suitable means.ing-cloth b is provided with rings d3, as described in former LettersPatent, No. 250,952, 'granted to me December 13, 1881, and these ringsare struck from time to time by aknocker, d*, to detach the materialadhering to the bolting-cloth.

e represents rotary beaters arranged in the bolting-cylinder B, andsecured to a shaft, e', which is supported in bearings c2, and pro--vided at its front end with a pulley, e3, by which the shaft isrotated. f represents the feed-spout, whereby the material to be boltedis introduced into the machine. j is a cylinder or tube, which surroundsthe shaft e', and lwhich receives the material from the feedspoutf.VThis tube is iirmly secured to the vstationary casing of the machine bybolts f '2 or otherwise.

g is a screw-conveyer secured to the shaft e', within the tube f, insuch manner as to propel the material toward the rear end of thebolting-cylinder.

g is a rearward extension of the tube f. This extension is secured tothe shaft c so as to rotate therewith, and is enlarged in diametertoward its rear end, to facilitate the passage of the material to thedischarge-openings g2, formed in the rear end of the extension g'. Thefront end of the extension is secured to a ring, 11, which is supportedby arms h', cast ony The boltthe hub of the screw-conveyer g. The fron'tside of the ring h fits snugly against the rear edge of the tube f', toprevent the material from escaping between the rotating and stationaryportions of the tube. The rear end of the tubular extension g issupported by a spider, h2, secured to the shaft e.

I represents a short bolting-jaoket inclosin'g the feed mechanism, andreceiving the material to be bolted before it enters the cylinder B, forthe purpose of effecting a preliminary separation of all coarseparticles contained in the meal from the ner particles, which alone aredelivered into the bolting-cylinder.

The bolting-jacket I is constructed of Wirecloth or perforated metal ofthe proper mesh to permit the fine meal to pass through itsopenings,while the coarse particles-such as dough-balls, nails, &c.are preventedfrom entering the cylinder B, and discharged through an opening, i, inthe front wall of the jacket.

The jacket I is preferably made tapering rearwardly, to facilitate thedischarge of the coarse i Its front end is sematerial from the jacket.cured to a disk, fi', attached to the front wall of the casing A', andits rear end is closed and supported by a disk, t2, which is providedwith a central opening, through which the shaft e' passes loosely. Thedisk i2 is securedto the disk i by stays i3. v

j are rotating brushes arranged within the jacket I, so as to brush theinner surface theremetal, c3.

of, and secured with their front ends to arms j', and with their rearends to the spider h2.

k are rotating brushes arranged outside of the jacket I, to brush theouter surface thereof. j Their front ends are secured to the head C ofthe bolting-cylinder B and their rear ends to a spider, K, securedto theshaft ein rear ofthe disk i2 of the jacket I. The material fed into theniachine through the feed-spout f enters the tube f, and is movedinwardly by the conveyer g, and finally discharged from the tube g intothe jacket I at its inner end. The fine material is brushed through themeshes of the jacket I, While the coarse material is discharged throughthe opening fi. The iine meal entering the bolting-cylinder B from thejacket I is now bolted through the bolting-cloth b, and separatedaccording to its different degrees of fineness. The flour is boltedthrough the boltingcloth b, and the coarse valuable particlessuch asniiddlings-through the perforated The casing A is provided withtransverse partitions Z Z at the heads C C2, respectively, whereby -thehour-space L is separatedl from the space L', into which the coarsermaterial is discharged.

m is a screW-conveyer arranged in the bottom of the hopper or trough,which receives .the bolted material, and which may be proi vided with asuitable number of openings, m',

pulleys. .A The bolting-cylinder B is rotated from the shaft of theconveyer m by an endless belt, m3, running around a pulley, m4, on theconveyer-shaft, and a pulley, m5, formed on or secured to the head C ofthe bolting-cylinder.

N represents a tapering hood, secured. to the inner side of the rearwall of the casing A', and provided at its apex with an opening, n,surrounding the shaft e.

n represents an opening formed in the rear wall of the casing A at thelowest point of the cavity of the hood N. This opening conimunicateswith the upper end of the spout O, which receives the tailings from thecylinder B through an opening, o. h

o2 represents an opening formed iii the outer wall of the spout O,opposite the opening n and provided with a slide, whereby the area ofthe opening can be regulated.

o3 represents au opening or passage leading from the space L into thespout O, and provided with a slide for adjusting its size. The beatersrevolving within the cylinder B operate like fan-blades, and draw anair-current upwardly th rough the sp out'O into and through the hood Nand into the cylinder B. This air-current meets the tailings whichdescend through the spout O, and lifts the h ghterparticles of flourmixed with the tailings, while the heavier particles of bran escapethrough the spout O. The force and volume of the descending air-currentin the spout O can'be regulated by adjusting the slides with which theopenings o2 and o3 are provided. An up- ,ward current passes alsothrough the discharge-spout o4 of the space L', and through the openingo3 into the spout O, whereby the light particles fioating in the space Lare carried over into the spout O.

The'preliminary separating mechanism may be constructed as representedin Figs. 5 and?,

in which the bolting-jacket I is secured at its IOO front end to thehead C of the cylinder B, so

as to rotate therewith, and at the rear end to a disk mounted loosely onthe shaft e. As shown in Fig. 5, the screW-conveyer-extends in this caseto the rear end of the tube in which it is arranged, and the brushes j.are stationary and rigidly secured with their front ends to the frameAof the machine, and with their rear ends to a stationary plate, p,secured to the rear end of the stationary conveyer-tube. The brushes maybe arranged spirally, or at a greater or less angle with the axis of thebolt, so as to move the material toward the discharge-opening 'i'.

I claim as my invention- IIO 1. The combination, with a flour-bolt, B,of

charge-opening, i, formed at the front end of the bolt I for thedischarge of the coarse material from the bolt I, substantially as setforth.

The co1nbination,With a iiour-bolt, B, of a, preliminary bolt, I,arranged Within the bolt B, brushes j, operating against the inner sideof the bolt I, and brushes 7c, operating against the outer side of thebolt I, and revolving around the seme Within the bolt B, substantiallyas set forth.

3. The combination, with the bolt I and shaft e', of the screw-conveyorg, stationary tube f', and rotating tube g, secured to the shaft e',substantially as set forth.

4. The combination, with the bolt I and shaft e', of the sorew-conveyerg, stationary tube j', rotating tube g", and brushes j, secured to theshaft e', substantially as set forth.

5. The combination, with a bolting-cylinder, B, and rotating bea-ters e,of the hood N, arranged :tt the tail end of the cylinder, and thedischarge-spout O, communicating with the interior of the hood by anopening, u', and provided with an opening, o, through which the tailingsenter said spout, substantially as set forth;

6. The combination, with a bolting-eylinder, B, and rotating beaters e,of the hood N, arranged at the tail end of the cylinder, anddisehaJrge-spout 0, cominunieating with the interior of the hood by anopening, fn, and provided with an opening, 0, through which the tailingsenter said spout, and an opening, 02, controlled by a slide, foradmit-tin g the external air, substantially as set forth.

7. The combination, with the bolting-eylinder B, casing A, and thepartition l', of the hoodN and spout O, provided with openings n o o2o3, substantially as set forth.

JOSEF NIGHT.

Witnesses:

IV. I-I. FELGEMACHER, JAS. H. S'roUGHroN.

